Grease guard for looms



April 20, 1943. w, HFOWLER GREASE GUARD FOR, Looms attorney 5 Filed July 16. 1942 Patented Apr. 20, 1943 UNITED STATES PATENT OFFICE GREASE GUARD FOR LO-OMS William H. Fowler, East Marion, N. C. Application July 16, 1942, Serial No. 451,147 2 Claims. (Cl. 139-147) This invention relates to grease guards and more especially to a device for receiving the grease which drops from the pick cam of a loom.

In textile weaving rooms it is very important that the floors be kept as free as possible from any foreign matter which might damage the yarn, because yarn packages or bobbins often fall upon the floor and roll from place to place. If the package contacts lubricant while upon the floor the yarn therein is usually so damaged that it cannot be used for weaving purposes. One of the most common sources of lubricant droppings from a loom is the pick cam. This cam and associated roller must be frequently greased and therefore, a surplus amount is like- 1y to be applied which drops to the floor.

It is an object of the invention to provide a grease guard which is designed to be removably supported beneath the pick cams of a loom for catching any surplus oil or grease which might fall from the cam.

It is another object of this invention to provide a grease guard of the class described in combination with means for removably mounting the same upon a loom frame and a spring pressed device for releasably holding the guard in mounted position.

Some of the objects of the invention having been stated, other objects will appear as the description proceeds when taken in connection with the accompanying drawing in which:

Figure l is an elevation of the lower portion of a loom showing my improved grease guards associated with the loom frame and pick cams;

Figure 2 is a transverse vertical sectional view, taken along the line 2-2 in Figure 1, illustrating the position of one of the grease guards relative to one of the loom pick cams;

Figure 3 is a vertical sectional view, taken along the line 3-3 in Figure 1, showing the relative position of another grease guard to the remaining pick cam of the loom;

Figure 4 is an elevation, similar to the upper central portion of Figure 1, but showing a slightly modified form of grease guard in association with the loom pick cam and loom frame;

Figure 5 is a transverse vertical sectional View taken along the line 5-5 in Figure 4;

Figure 6 is a sectional plan view taken along the line 66 in Figure 5.

Referring more particularly to the drawing, the numerals l and H denote spaced loom frames which support rocker shaft l2 and cam shaft It. The rocker shaft has conventional picker stick shoe support l on each end thereof, said support serving as a bearing for picker stick shoe l6, which shoe supports picker stick ll. A lug strap l8 has one end thereof encircling the picker stick I! and its other end connected to a pick cam lever It. This lever is pivoted intermediate its ends as at 2i and has a roller 22 on its upper end. The roller 22 is adapted to engage the periphery of a pick cam 23 which is fixedly mounted upon shaft It.

Generally, there are two pick cams 23 for each loom, these cams being identical in construction except opposite hand to each other. During the normal operation of the loom, the shaft M and cams 23 are rotated by any suitable means, not shown, and this rotation will cause levers l9 to oscillate about points 2! while the rollers 22 ride upon the peripheries of the cams. The oscillation of the lever It] will cause the picker stick ll to rock back and forth from left to right in a conventional manner.

The pressure and the Wear between the roller 22 and pick cam 23 is very great at times, therefore, it is very essential that the parts be properly lubricated. The cam 23 is usually lubricated by applying the lubricant directly to its periphery. There is usually other means for lubricating the cam roller 22. After continued use, the lubricant upon members 22 and 23 becomes worn and thin, thereby increasing the tendency to cause the lubricant to drop therefrom, and as heretofore stated, when this lubricant falls upon the fioor, it is likely to damage packages or bobbins of yarn which fall thereon from time to time.

As a means for preventing this worn lubricant from falling upon the floor, I have provided a grease guard 25 directly below one of the pick earns 23. This grease guard is U-shaped when looking at the right hand face thereof in Figure 1, and is also U-shaped in cross section. In other words, the grease guard comprises a U-shaped bottom 2'5 (see Figure 2) which has integral with opposed sides thereof upturned flanges 21 and 28. The top edges of these flanges are adapted to be positioned low enough so the same will clear the high side of pick cam 23 when the grease guard is removed from installed position. These flanges 21 and 28 project above bottom 26 sufficiently high to retain a substantial amount of worn grease or lubricant which might fall from the cam 23.

As a means for removably securing the grease guard 25 to the loom frames Ii] suitable'openended slots 29 are provided in flange 21. A stud bolt 30 is adapted to penetrate each of these slots, the smaller ends of said stud bolts being threadably secured in the loom frame Ill. These slots permit the elevation of the guard to be varied and also permit the guard to be entirely removed for cleansing purposes by loosening bolts 30.

The remaining pick cam 23, which is'shown in the right-hand portion of Figure l and also in Figure 3, has another type of grease guard 32 disposed thereunder. This greas guard is of a slightly different shape but constructed along the sam general lines. On account of a warp follower shaft 33 and a bearing 34 being disposed directly beneath the remaining pick cam 23, it is necessary to flatten the bottom of the guard 32 sufficiently to clear the bearing. This bearing 34 has a flange 34a which extends upagainst the opposed outer side wall of the grease guard to releasably lock the guard upon the pins wardly above shaft 33 and alongside the inner face of frame ll, thereby making it necessary to indent the sidewalls of grease guard 32 as at 35 to conform to this flange.

The grease guard 32 likewise has a bottom 36 which is U-shaped when viewed in Figure 3 and which is also U-shaped in the cross section. The guard also has upturned flanges 31 and 38 integral with each side of the bottom so that the guard will serve as a pan or container.

As a means for removably supporting guard 32 upon the loom frame H suitable slots 39 are provided in flange 38 and a stud bolt 40 is adapted to penetrate eachof said slots 39 and to have the inner end thereof threadably secured in frame II. These slots 39 and bolts 40 permit the height of the guard to be varied, as well as permit the guard to be removed for cleansing purposes when desired.

Figures 4, 5, and' 6 show a slightly modified form of the invention. It is here seen that a grease guard is provided beneath the pick cam 23. This guard has a bottom 46 which is U- shaped whencviewed as in Figure 5 and which is also U-shaped in cross section. The bottom 46 has upstanding flanges 41 integral with each side thereof in which two pairs of alined holes 49 are provided. Each pair of. alined holes are adapted to removably fit over a pin 50 which extends inwardly from the loom frame l0.

' As a means for releasably holding the guard 45 upon the pins 50, a suitable projection, 5| is provided upon each side of the guard 45. Each projection is adapted to penetrate a hole 52 in a leaf spring 53, said leaf spring being secured to When it is desired to insert the grease guard 41 again upon the pins 50, it is only necessary to place th holes 49 around pins 50 and then let the projections 5| spread the leaf springs 53 when the out-turned proximate faces of these springs are contacted. Upon the projections reaching holes 52, the springs 53 will snap and to the loom frame,

In the drawing and specification, there has beenset forth a preferred embodiment of the.

invention, and although specific terms are'employed, they are used in a generic and descripe tive sense only and not for purposes of limitation,'the scope of the invention being set forth in the following claims.

I claim:

' 1. In combination with a loom frame having a cam shaft and a pickcamron said shaft; a greaseguard disposed below said cam, said guard being U shaped when looking at the face of said cam and also being U-shaped in cross section, horizontally projecting pins extending from said frame for removably supporting said guard, and spring means for releasably. holding said guard on said pins.

2. In combination with a loom'frame having a cam shaft and a pick cam onsaid shaft, a grease pan disposed below said cam, said pan having a bottom and opposed end walls and sidewalls of lesserheight than the end Walls, said end walls xtending upward along opposed edges of the sidewalls in the form of inturned flanges said flanges being provided with alined holes, a

pair of pins extending from the loom frame 

